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IP Subnet Calculator
Calculate network address, broadcast address, host range, wildcard mask, and CIDR notation from any IP and subnet mask.
Network Address
192.168.1.0Broadcast Address
192.168.1.255First Usable Host
192.168.1.1Last Usable Host
192.168.1.254Total Hosts
256Usable Hosts
254Subnet Mask
255.255.255.0Wildcard Mask
0.0.0.255CIDR Notation
/24IP Class
CIP Type
PrivateNetwork Range
192.168.1.0192.168.1.255
First: 192.168.1.1254 usable hostsLast: 192.168.1.254
Common Subnets Quick Reference
| CIDR | Subnet Mask | Usable Hosts |
|---|---|---|
| /30 | 255.255.255.252 | 2 |
| /28 | 255.255.255.240 | 14 |
| /26 | 255.255.255.192 | 62 |
| /24 | 255.255.255.0 | 254 |
| /22 | 255.255.252.0 | 1,022 |
| /20 | 255.255.240.0 | 4,094 |
| /16 | 255.255.0.0 | 65,534 |
| /12 | 255.240.0.0 | 1,048,574 |
| /8 | 255.0.0.0 | 16,777,214 |